Hand stamper with removable belt stamp units



T. S. DZIEKAN Dec. 1, 1964 2 Sheets-Sheet 1 Filed Oct. 8, 1962 w Xfl 7 4a/ a m 2 F 5 K E-E- B-E d M1 b w 7 3 2 7 4 M v. 1 a 4 7 5 6 B y g ll a mfl m -.n:.. @1@@@l-li nE Dec. 1, 1964 T. s. DZIEKAN 3, 59, 0

HAND STAMPER WITH REMOVABLE! BELT STAMP UNITS Filed Oct. 8, 1962 2Sheets-Sheet 2 INVENTOR- JZa SJ L e'd/W BY @z m 4 United States Patent G3,159,101 HAND STAMPER WITH REMOVABLE BELT STAMP UNITS Ted S. Dziehan,11238 S. Troy St., Chicago 55, Ill. Fiied Oct. 3, 1962, Ser. No. 229,0551 Claim. (Cl. 101-111) be replaced or identified as required by theelectronic industry.

Since the electronic industry has been miniaturizing its assemblies, ithas become increasingly difficult to mark the chassis, thesub-assemblies, the separate components,

etc.

This marking has been accomplished by utilizing relatively long pegstamps comprising a rectangular peg as long as a pencil and bearing arubber word, symbol or letter at its lower end for stamping the symbolon the chassis by reaching down with the peg between the components.

Where a component is identified by a succession of letters or numbers orsymbols, a plurality of peg stamps are assembled side by side and thechassis has been stamped while the user endeavors to hold the peg stampsin alignment.

For this purpose it has been necessary to provide a multiplicity ofdifierent pegs and to provide a filing cabinet for holding the pegsclassified so that the user may find the one he wishes to use;

One of the objects of the invention is the'provision of an improved handstamping unit which is compact,

slim, elongated, and which is adapted to stamp any one or more of aplurality of numbers, symbols, letters, or any succession of characterson the chassis in very close areas where there is no excess spaceallowed other than the space required for the characters to be applied.

Another object ofthe invention is the provision of an improved handstamping unitwhich is provided With an endless band or web whichsupports all of the alphabet, the numerals, and the other symbols orcharacters which may be required, and in which the stamping unit isnarrow, thin, and elongated.

Another object of the invention is the provision of improved stamperunits which are adapted to be secured removably to each other and inalignment with each other in such manner that all the numbers, letters,or symbols may be simultaneously stamped on the chassis in align mentwith each other.

Another object is the provision of improved stamp units having amultiplicity of characters on a rubber band which are covered by ashield to protect the hand of the user from the ink on the characters.

Another object of' the invention is the provision of an improved stamperunit which is provided with spring devices for assuring the aligment ofa plurality of stamper units and permitting the simultaneous applicationof letters, numbers, or symbols in a minimum amount of time. Anotherobject of the invention isthe provision of improved stamper unitsprovided with a simple means.

for securing a plurality or amultiplicity ofitheseiunits 3,159,161Patented Dec. 1, 1964 lCC in alignment with each other, which alsopermits them to be easily separated by applying a knife or a screwdriverbetween the units.

Another object of the invention is the provision of an improved stampingunit which is simple in construction, which has a minimum number ofparts, which provides a plurality of different letters, numbers, orsymbols on the same unit, and which is adapted to be manufactured at aminimum cost and used over and over again.

Another object of the invention is the provision of an improved stamperunit which may be applied at an angle other than the usual right angle.

Other objects and advantages of the invention will be apparent from thefollowing description and the accompanying drawings, in which similarcharacters of reference indicate similar parts throughout the severalviews.

Referring to the drawings, of which there are two sheets,

FIG. 1 is a view in perspective of a stamping unit assembly in whichfive stamp units have been secured to each other side by side forsimultaneously stamping five characters on a chassis between theelectrical components;

FIG. 2 is a front elevational view of an assembly of stamping unitsincluding the two stamping units side by side;

FIG. 3 is a view similar to FIG. 2, showing a front elevation of one ofthe stamping units of FIG. 2;

FIG. 4 is a fragmentary side elevational view showing the shape of oneof the sockets for receiving the spring fasteners that secure thedifferent stamping units together;

FIG. 5 is a fragmentary front elevational view showing the structure ofthe end of the stem or body which has a shallow groove bordered by twonarrow flanges;

FIG. 6 is a side elevational view of the stamping unit of FIG. 3, takenfrom the right side;

FIG. 7 is a fragmentary side elevational view of one of the units ofFIG. 1 taken from the left side of FIG. 1;

FIG. 8 is a fragmentary side elevational view of a modification adaptedto apply indicia at an angle;

FIG. 9 is an edge view of a spring fastener washer adapted to hold theroller on its shaft;

FIG. 10 is a .plan view of the washer of FIG. 9;

FIG. 11 is an enlarged plan view of one of the spring fasteners used forsecuring the separate stamp units together;

FIG. 12 is a fragmentary sectional view showing a side elevation of oneof the spring fasteners of FIG. 11;

FIG. 13 is a fragmentary sectional view taken on the plane of the line1313 of FIG. 6, looking in the direction of the arrows;

FIG. 14 is a fragmentary sectional view taken on the plane of the line14-14 of FIG. 6.

Referring to FIG. 3, this is a front elevational view of a stamper unitembodying the invention; and FIG. 6 is'a side elevational view takenfrom the right side of FIG. 3.

The stamper unit is provided with a body comprising a relatively thinpiece of cast metal, such as steel, stainless steel, sheetaluminum, orplastic, which is provided with a partially circular curved end 19having a cylindrical recess and a pair of tapering side edges 17 and 13which approach each other-to the points 20 and 21, from which a a Behindthe spring fastener there is. in each case into which the springfastener maybe pressed a3 vides a backing surface for a rubber band 35and provided with a pair of side flanges 25 and 26 which project fromthe end 24 at each of its borders for guiding the rubber band whichcarries the characters.

At its upper end the round edge 19 projects upwardly beyond the driveroller 3% which has a cylindrical body 36 and a radially projectingdriving flange 3T. edge of the flange 31 is knurled for engagement thefinger or thumb in rotating the roller.

The roller 36 has a cylindrical bore 29 by means of i which it isrotatably mounted on the stub shaft 23, which is integrally attached tothe body 13; and the roller 36 is provided with an annular recess 32about the bore 2% and adapted to receive the spring washer 33, which ispressed into the recess 32 to hold the roller 39 on the stub shaft.

The body 13 is formed with a cylindrical recess on one face at the topto receive the roller 30 and rubber band. A groove 13a extends down eachedge on the same face to house the rubber band.

Referring to FIGS. 9 and 10, these are enlargements of a spring washeror thrust member 33, which is circular in shape, and which has anenlarged aperture provided with resilient tongues 34, the ends of whichengage the stub shaft 28 to hold the roller on the stub shaft.

The parts are assembled by merely pressing the sprring washer 33 on theshaft 28.

The roller supports the endless rubber band 35 which carries amultiplicity of spaced blocks 36 of the same material carrying letters,symbols, numbers, or any other characters which are to be stamped on achassis. The width of the blocks 36 is'such that each block 36substantially covers the end 24 of the stamp body, while the rubber band35 between the blocks is adapted to bend about the corners of the end24.- The roller 30 has its radial flange 31 provided'with a face that issubstantially flush with the face 15 of the body 13. i v V The rubberband 35 is tensioned about the roller 36 and the end 24 so that theroller 30 drives the rubber band.

Thus the stamp construction is reduced to a minimum in thickness, width,and size; and it is elongated so that it can be inserted between theclosely spaced electronic components to stamp the chassis with numbers,letters, or other symbols identifying the parts.

The modification shown in FIG. 8 shows the end 27 beveled at an angle ofapproximately 30 degrees in order to permit the stamping of the chassiswith the axis of the body at an angle.

The angularirty of the end surface 27 may vary from 90 degrees to 45degrees.

In order to secure a plurality of the marking units together the body 13is provided with a pair of apertures 40a large enough to receive thespring fasteners vof-the type indicated at 37 in FIG. 11. Each springfastener 37' has a radial border flange 39 and a plurality of tongues 41pressed out of its body and shaped to providethree tongues 41, each ofwhich is curved at its outer side and end; and the tongues are spacedfrom eachother so that they may be forced into an aperture, such as theaperture 40a in the body 13. V Y

Each body is provided with a pair of such fasteners 37 and each body isprovided with a countersunk recess for the flange 39; and when thefastener is forced into the aperture-40a in each case, it expands againto the position of FIG. 12 and presents an appearance as shown in FIGS.2 and 3.

Each spring fastener unit 37 has its border flange mounted in anenlarged bore 39a against an annular shoulder so that its spring headprotrudes from the face of the body. The border flange is secured bydeforming I the metal above the border flange to'hold the springfastener in the enlarged bore.

The with a small bore 40:!

to secure two units together. Two such spring fasteners are preferablyprovided on each unit located to register with the sockets on all otherunits.

Thus the tongues which protrude from the right of one stamp unit may bepressed into the apertures of the next stamp unit, thetongues expandingand holding the two stamp units together. In order to separate the stampunits, each of the bodies 13 is provided with a shallow groove 14 ineach face so that a knife or a screwdriver may be inserted between twostamp units and with a slight twist they may be spread apart to separatethem.

Thepresent stamping unit may have its endless rubber band provided withletters, symbols, numbers, or any indicia which it is desired to applyto a chassis. The stamps may be used for identification of components,components on chassis, for chassis, panels, brackets, or sub-assemblies,for drafting and layout.

The stamp units may be used for experimental laboratories for prototypemarking, for repair departments, and for marking any production inmanufacture or for small runs.

The stamps are quickly adjusted to utilize any symbol, letter, or figurewhich appears on the rubber band; and thus the separate wooden pegstamps may be'replaced by the present universal marking stamp.

While I'have illustrated a preferred embodiment of my invention, manymodifications may be made without departingfrom the spirit of theinvention, and I do not wish to be limited to the precise details ofconstruction set forth, but desire 'to'avail myself of all changeswithin the scope of the appended claim.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent of the United States, is:

A hand Stamper unit, comprising a thin, elongated, supporting body,having a round, partially cylindrical upper end having the axis of saidcylindrical end, transverse to the length of said body, and said bodyhaving opposite tapered edges, extending from said'r-ound end to a lowerrectangular end surface forming a backing surface and being of minimumwidth and breadth to provide a backing for a single printed character,said round upper end serving as a handle and having one side closed andthe oppositeside provided with apartially cylindrical recess, saidcylindrical recess supporting a centrally located stub shaft and saidstub shaft rotatably supporting a narrow cylindrical drive roller insaid recess, said drive roller and closing said cylindrical recess, anda spring washer frictionally mounted on said'shaft to retain said driveroller on said shaft, an endless resilient rubber band of substantiallyuniform cross section and of sufficiently 7 large width to cover saiddrive roller and said rectangular flanges; besidethe rubberband on thebacking surface,

backing surface on said body, said rubber band being tensioned aboutsaid backing surface and said drive roller sufliciently to be driven bysaid drive ro1ler,-and said band supporting a plurality oflongitudinally spaced, integral rubber blocks on its outer side andformed with characters on the outer surface of said blocks, the spacingof said blocks facilitating the bending of said rubber band tightlyabout said backing surface, said supporting body carrying a pair ofthin, downwardly projecting guide said supporting body having a pair oflongitudinally spaced, through bores, andsaid body having in each of itsplane Wall portions, a screw driver sl ot extending inward fromthetapered edge -of said body, between said bores for insertion of ascrew driver to pry units apart, and a pair of resilient studs, eachhaving a cylindrical body mounted in an'enlarged bore over one of saidthrough bores, and each resilient stud having a spring head, pressedinto the back of one'of said through bores in the case being split to bereceived in said through bores, to

secure one unit toanother, side by side, to apply a plurality ofcharacters simultaneously to a chassis.

' References Cited in the file of this patent UNITED STATES PATENTS487,822 Booth et a1 Dec. 13, 1892 Lawson June 14, 1904 6 Hill Mar. 21,1905 Dowling Nov. 10, 1914 Green Aug. 14, 1917 White June 2, 1925 AustonAug. 13, 1929 Grant July 6, 1937 Melind July 19, 1938 Poupitch Mar. 14,1950 Robinson Aug. 4, 1953

